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SubjectRe: [patch] video: fix SOC_CAMERA_MT9M001 build bug

* Guennadi Liakhovetski <g.liakhovetski@gmx.de> wrote:

> On Mon, 28 Apr 2008, Ingo Molnar wrote:
>
> >
> > on latest -git, with this config:
> >
> > http://redhat.com/~mingo/misc/config-Mon_Apr_28_13_25_34_CEST_2008.bad
> >
> > CONFIG_SOC_CAMERA_MT9M001=y
> > CONFIG_SOC_CAMERA_MT9V022=y
> > # CONFIG_I2C is not set
> >
> > the build fails:
> >
> > drivers/built-in.o: In function `reg_read':
> > mt9m001.c:(.text+0x140a87): undefined reference to `i2c_smbus_read_word_data'
> > drivers/built-in.o: In function `reg_write':
> > mt9m001.c:(.text+0x140b6e): undefined reference to `i2c_smbus_write_word_data'
> > drivers/built-in.o: In function `reg_read':
> > mt9v022.c:(.text+0x1413a7): undefined reference to `i2c_smbus_read_word_data'
> > drivers/built-in.o: In function `reg_write':
> > mt9v022.c:(.text+0x1414ce): undefined reference to `i2c_smbus_write_word_data'
> > drivers/built-in.o: In function `mt9m001_mod_init':
> > mt9m001.c:(.init.text+0x158a8): undefined reference to `i2c_register_driver'
> > drivers/built-in.o: In function `mt9v022_mod_init':
> > mt9v022.c:(.init.text+0x158b8): undefined reference to `i2c_register_driver'
> > drivers/built-in.o: In function `mt9m001_mod_exit':
> > mt9m001.c:(.exit.text+0x1656): undefined reference to `i2c_del_driver'
> > drivers/built-in.o: In function `mt9v022_mod_exit':
> > mt9v022.c:(.exit.text+0x1666): undefined reference to `i2c_del_driver'
> >
> > adding the missing I2C dependency fixes it.
> >
> > Signed-off-by: Ingo Molnar <mingo@elte.hu>
>
> NAK. SOC-CAMERA doesn't depend on I2C. It is also suitable for
> cameras, not using i2c. mt9m001 and mt9v022 do both depend on i2c.

as you can see it from the build log above, the compiler disagrees with
you on whether the driver depends on I2C. I'm just the messenger :)

Ingo


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